Laser rangefinder consists of laser emission source, receiving system and optical antenna.

半导体激光测距仪主要由激光发射光源 、 接收系统和光学天线组成.

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This was really exciting because the low - loss region is right at the gallium - arsenide laser emission band.

这实在令人振奋,因为低损耗窗口正处于砷化镓激光器的发光波段.

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